Home / 7,321.93-10,104.21-3,964.75

Finding the Fourth Proportional to 7,321.93, 10,104.21 and 3,964.75

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Solution

The fourth proportional to 7,321.93, 10,104.21 and 3,964.75 is: 5,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.93 : 10,104.21 = 3,964.75 : x
  2. Step 2: Convert to fraction form
    7,321.93/10,104.21 = 3,964.75/x
  3. Step 3: Cross multiply
    7,321.93x = 10,104.21 × 3,964.75
  4. Step 4: Simplify right side
    7,321.93x = 40,060,666.60
  5. Step 5: Solve for x
    x = 40,060,666.60/7,321.93
  6. Step 6: Final answer
    x = 5,471.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.